/* Top level stuff for GDB, the GNU debugger.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995
- Free Software Foundation, Inc.
-This file is part of GDB.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
+ 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
+ Foundation, Inc.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This file is part of GDB.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "defs.h"
-#include <setjmp.h>
#include "top.h"
#include "target.h"
#include "inferior.h"
-#include "call-cmds.h"
+#include "symfile.h"
+#include "gdbcore.h"
+#include "exceptions.h"
#include "getopt.h"
#include <sys/types.h>
#include <ctype.h>
#include "gdb_string.h"
+#include "event-loop.h"
+#include "ui-out.h"
-/* Temporary variable for SET_TOP_LEVEL. */
-
-static int top_level_val;
-
-/* Do a setjmp on error_return and quit_return. catch_errors is
- generally a cleaner way to do this, but main() would look pretty
- ugly if it had to use catch_errors each time. */
-
-#define SET_TOP_LEVEL() \
- (((top_level_val = setjmp (error_return)) \
- ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (jmp_buf))) \
- , top_level_val)
+#include "interps.h"
+#include "main.h"
/* If nonzero, display time usage both at startup and for each command. */
int display_space;
-extern void gdb_init PARAMS ((void));
+/* The selected interpreter. This will be used as a set command
+ variable, so it should always be malloc'ed - since
+ do_setshow_command will free it. */
+char *interpreter_p;
-int
-main (argc, argv)
- int argc;
- char **argv;
+/* Whether xdb commands will be handled */
+int xdb_commands = 0;
+
+/* Whether dbx commands will be handled */
+int dbx_commands = 0;
+
+/* System root path, used to find libraries etc. */
+char *gdb_sysroot = 0;
+
+struct ui_file *gdb_stdout;
+struct ui_file *gdb_stderr;
+struct ui_file *gdb_stdlog;
+struct ui_file *gdb_stdin;
+/* target IO streams */
+struct ui_file *gdb_stdtargin;
+struct ui_file *gdb_stdtarg;
+struct ui_file *gdb_stdtargerr;
+
+/* Whether to enable writing into executable and core files */
+extern int write_files;
+
+static void print_gdb_help (struct ui_file *);
+
+/* These two are used to set the external editor commands when gdb is farming
+ out files to be edited by another program. */
+
+extern char *external_editor_command;
+
+/* Call command_loop. If it happens to return, pass that through as a
+ non-zero return status. */
+
+static int
+captured_command_loop (void *data)
{
+ current_interp_command_loop ();
+ /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton
+ would clean things up (restoring the cleanup chain) to the state
+ they were just prior to the call. Technically, this means that
+ the do_cleanups() below is redundant. Unfortunately, many FUNCs
+ are not that well behaved. do_cleanups should either be replaced
+ with a do_cleanups call (to cover the problem) or an assertion
+ check to detect bad FUNCs code. */
+ do_cleanups (ALL_CLEANUPS);
+ /* If the command_loop returned, normally (rather than threw an
+ error) we try to quit. If the quit is aborted, catch_errors()
+ which called this catch the signal and restart the command
+ loop. */
+ quit_command (NULL, instream == stdin);
+ return 1;
+}
+
+static int
+captured_main (void *data)
+{
+ struct captured_main_args *context = data;
+ int argc = context->argc;
+ char **argv = context->argv;
int count;
static int quiet = 0;
static int batch = 0;
+ static int set_args = 0;
/* Pointers to various arguments from command line. */
char *symarg = NULL;
int dirsize;
/* Number of elements used. */
int ndir;
-
+
struct stat homebuf, cwdbuf;
char *homedir, *homeinit;
- register int i;
+ int i;
long time_at_startup = get_run_time ();
- START_PROGRESS (argv[0], 0);
-
-#ifdef MPW
- /* Do all Mac-specific setup. */
- mac_init ();
-#endif /* MPW */
+#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
+ setlocale (LC_MESSAGES, "");
+#endif
+#if defined (HAVE_SETLOCALE)
+ setlocale (LC_CTYPE, "");
+#endif
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
- /* This needs to happen before the first use of malloc. */
- init_malloc ((PTR) NULL);
+#ifdef HAVE_SBRK
+ lim_at_start = (char *) sbrk (0);
+#endif
#if defined (ALIGN_STACK_ON_STARTUP)
i = (int) &count & 0x3;
alloca (4 - i);
#endif
- /* If error() is called from initialization code, just exit */
- if (SET_TOP_LEVEL ()) {
- exit(1);
- }
-
cmdsize = 1;
cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg));
ncmd = 0;
getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
current_directory = gdb_dirbuf;
+ gdb_stdout = stdio_fileopen (stdout);
+ gdb_stderr = stdio_fileopen (stderr);
+ gdb_stdlog = gdb_stderr; /* for moment */
+ gdb_stdtarg = gdb_stderr; /* for moment */
+ gdb_stdin = stdio_fileopen (stdin);
+ gdb_stdtargerr = gdb_stderr; /* for moment */
+ gdb_stdtargin = gdb_stdin; /* for moment */
+
+ /* initialize error() */
+ error_init ();
+
+ /* Set the sysroot path. */
+#ifdef TARGET_SYSTEM_ROOT_RELOCATABLE
+ gdb_sysroot = make_relative_prefix (argv[0], BINDIR, TARGET_SYSTEM_ROOT);
+ if (gdb_sysroot)
+ {
+ struct stat s;
+ int res = 0;
+
+ if (stat (gdb_sysroot, &s) == 0)
+ if (S_ISDIR (s.st_mode))
+ res = 1;
+
+ if (res == 0)
+ {
+ xfree (gdb_sysroot);
+ gdb_sysroot = TARGET_SYSTEM_ROOT;
+ }
+ }
+ else
+ gdb_sysroot = TARGET_SYSTEM_ROOT;
+#else
+#if defined (TARGET_SYSTEM_ROOT)
+ gdb_sysroot = TARGET_SYSTEM_ROOT;
+#else
+ gdb_sysroot = "";
+#endif
+#endif
+
+ /* There will always be an interpreter. Either the one passed into
+ this captured main, or one specified by the user at start up, or
+ the console. Initialize the interpreter to the one requested by
+ the application. */
+ interpreter_p = xstrdup (context->interpreter_p);
+
/* Parse arguments and options. */
{
int c;
/* When var field is 0, use flag field to record the equivalent
short option (or arbitrary numbers starting at 10 for those
with no equivalent). */
+ enum {
+ OPT_SE = 10,
+ OPT_CD,
+ OPT_ANNOTATE,
+ OPT_STATISTICS,
+ OPT_TUI,
+ OPT_NOWINDOWS,
+ OPT_WINDOWS
+ };
static struct option long_options[] =
- {
- {"readnow", no_argument, &readnow_symbol_files, 1},
- {"r", no_argument, &readnow_symbol_files, 1},
- {"mapped", no_argument, &mapped_symbol_files, 1},
- {"m", no_argument, &mapped_symbol_files, 1},
- {"quiet", no_argument, &quiet, 1},
- {"q", no_argument, &quiet, 1},
- {"silent", no_argument, &quiet, 1},
- {"nx", no_argument, &inhibit_gdbinit, 1},
- {"n", no_argument, &inhibit_gdbinit, 1},
- {"batch", no_argument, &batch, 1},
- {"epoch", no_argument, &epoch_interface, 1},
-
- /* This is a synonym for "--annotate=1". --annotate is now preferred,
- but keep this here for a long time because people will be running
- emacses which use --fullname. */
- {"fullname", no_argument, 0, 'f'},
- {"f", no_argument, 0, 'f'},
-
- {"annotate", required_argument, 0, 12},
- {"help", no_argument, &print_help, 1},
- {"se", required_argument, 0, 10},
- {"symbols", required_argument, 0, 's'},
- {"s", required_argument, 0, 's'},
- {"exec", required_argument, 0, 'e'},
- {"e", required_argument, 0, 'e'},
- {"core", required_argument, 0, 'c'},
- {"c", required_argument, 0, 'c'},
- {"command", required_argument, 0, 'x'},
- {"version", no_argument, &print_version, 1},
- {"x", required_argument, 0, 'x'},
- {"directory", required_argument, 0, 'd'},
- {"cd", required_argument, 0, 11},
- {"tty", required_argument, 0, 't'},
- {"baud", required_argument, 0, 'b'},
- {"b", required_argument, 0, 'b'},
- {"nw", no_argument, &use_windows, 0},
- {"nowindows", no_argument, &use_windows, 0},
- {"w", no_argument, &use_windows, 1},
- {"windows", no_argument, &use_windows, 1},
- {"statistics", no_argument, 0, 13},
-/* Allow machine descriptions to add more options... */
-#ifdef ADDITIONAL_OPTIONS
- ADDITIONAL_OPTIONS
+ {
+#if defined(TUI)
+ {"tui", no_argument, 0, OPT_TUI},
#endif
- {0, no_argument, 0, 0}
- };
+ {"xdb", no_argument, &xdb_commands, 1},
+ {"dbx", no_argument, &dbx_commands, 1},
+ {"readnow", no_argument, &readnow_symbol_files, 1},
+ {"r", no_argument, &readnow_symbol_files, 1},
+ {"quiet", no_argument, &quiet, 1},
+ {"q", no_argument, &quiet, 1},
+ {"silent", no_argument, &quiet, 1},
+ {"nx", no_argument, &inhibit_gdbinit, 1},
+ {"n", no_argument, &inhibit_gdbinit, 1},
+ {"batch", no_argument, &batch, 1},
+ {"epoch", no_argument, &epoch_interface, 1},
+
+ /* This is a synonym for "--annotate=1". --annotate is now preferred,
+ but keep this here for a long time because people will be running
+ emacses which use --fullname. */
+ {"fullname", no_argument, 0, 'f'},
+ {"f", no_argument, 0, 'f'},
+
+ {"annotate", required_argument, 0, OPT_ANNOTATE},
+ {"help", no_argument, &print_help, 1},
+ {"se", required_argument, 0, OPT_SE},
+ {"symbols", required_argument, 0, 's'},
+ {"s", required_argument, 0, 's'},
+ {"exec", required_argument, 0, 'e'},
+ {"e", required_argument, 0, 'e'},
+ {"core", required_argument, 0, 'c'},
+ {"c", required_argument, 0, 'c'},
+ {"pid", required_argument, 0, 'p'},
+ {"p", required_argument, 0, 'p'},
+ {"command", required_argument, 0, 'x'},
+ {"version", no_argument, &print_version, 1},
+ {"x", required_argument, 0, 'x'},
+#ifdef GDBTK
+ {"tclcommand", required_argument, 0, 'z'},
+ {"enable-external-editor", no_argument, 0, 'y'},
+ {"editor-command", required_argument, 0, 'w'},
+#endif
+ {"ui", required_argument, 0, 'i'},
+ {"interpreter", required_argument, 0, 'i'},
+ {"i", required_argument, 0, 'i'},
+ {"directory", required_argument, 0, 'd'},
+ {"d", required_argument, 0, 'd'},
+ {"cd", required_argument, 0, OPT_CD},
+ {"tty", required_argument, 0, 't'},
+ {"baud", required_argument, 0, 'b'},
+ {"b", required_argument, 0, 'b'},
+ {"nw", no_argument, NULL, OPT_NOWINDOWS},
+ {"nowindows", no_argument, NULL, OPT_NOWINDOWS},
+ {"w", no_argument, NULL, OPT_WINDOWS},
+ {"windows", no_argument, NULL, OPT_WINDOWS},
+ {"statistics", no_argument, 0, OPT_STATISTICS},
+ {"write", no_argument, &write_files, 1},
+ {"args", no_argument, &set_args, 1},
+ {"l", required_argument, 0, 'l'},
+ {0, no_argument, 0, 0}
+ };
while (1)
{
c = getopt_long_only (argc, argv, "",
long_options, &option_index);
- if (c == EOF)
+ if (c == EOF || set_args)
break;
/* Long option that takes an argument. */
case 0:
/* Long option that just sets a flag. */
break;
- case 10:
+ case OPT_SE:
symarg = optarg;
execarg = optarg;
break;
- case 11:
+ case OPT_CD:
cdarg = optarg;
break;
- case 12:
+ case OPT_ANNOTATE:
/* FIXME: what if the syntax is wrong (e.g. not digits)? */
annotation_level = atoi (optarg);
break;
- case 13:
+ case OPT_STATISTICS:
/* Enable the display of both time and space usage. */
display_time = 1;
display_space = 1;
break;
+ case OPT_TUI:
+ /* --tui is equivalent to -i=tui. */
+ xfree (interpreter_p);
+ interpreter_p = xstrdup ("tui");
+ break;
+ case OPT_WINDOWS:
+ /* FIXME: cagney/2003-03-01: Not sure if this option is
+ actually useful, and if it is, what it should do. */
+ use_windows = 1;
+ break;
+ case OPT_NOWINDOWS:
+ /* -nw is equivalent to -i=console. */
+ xfree (interpreter_p);
+ interpreter_p = xstrdup (INTERP_CONSOLE);
+ use_windows = 0;
+ break;
case 'f':
annotation_level = 1;
/* We have probably been invoked from emacs. Disable window interface. */
case 'c':
corearg = optarg;
break;
+ case 'p':
+ /* "corearg" is shared by "--core" and "--pid" */
+ corearg = optarg;
+ break;
case 'x':
cmdarg[ncmd++] = optarg;
if (ncmd >= cmdsize)
{
cmdsize *= 2;
- cmdarg = (char **) xrealloc ((char *)cmdarg,
+ cmdarg = (char **) xrealloc ((char *) cmdarg,
cmdsize * sizeof (*cmdarg));
}
break;
+#ifdef GDBTK
+ case 'z':
+ {
+extern int gdbtk_test (char *);
+ if (!gdbtk_test (optarg))
+ {
+ fprintf_unfiltered (gdb_stderr, _("%s: unable to load tclcommand file \"%s\""),
+ argv[0], optarg);
+ exit (1);
+ }
+ break;
+ }
+ case 'y':
+ /* Backwards compatibility only. */
+ break;
+ case 'w':
+ {
+ external_editor_command = xstrdup (optarg);
+ break;
+ }
+#endif /* GDBTK */
+ case 'i':
+ xfree (interpreter_p);
+ interpreter_p = xstrdup (optarg);
+ break;
case 'd':
dirarg[ndir++] = optarg;
if (ndir >= dirsize)
{
dirsize *= 2;
- dirarg = (char **) xrealloc ((char *)dirarg,
+ dirarg = (char **) xrealloc ((char *) dirarg,
dirsize * sizeof (*dirarg));
}
break;
if (i == 0 && p == optarg)
/* Don't use *_filtered or warning() (which relies on
- current_target) until after initialize_all_files(). */
+ current_target) until after initialize_all_files(). */
fprintf_unfiltered
(gdb_stderr,
- "warning: could not set baud rate to `%s'.\n", optarg);
+ _("warning: could not set baud rate to `%s'.\n"), optarg);
else
baud_rate = i;
}
+ break;
case 'l':
{
int i;
if (i == 0 && p == optarg)
/* Don't use *_filtered or warning() (which relies on
- current_target) until after initialize_all_files(). */
+ current_target) until after initialize_all_files(). */
fprintf_unfiltered
(gdb_stderr,
- "warning: could not set timeout limit to `%s'.\n", optarg);
+ _("warning: could not set timeout limit to `%s'.\n"), optarg);
else
remote_timeout = i;
}
break;
-#ifdef ADDITIONAL_OPTION_CASES
- ADDITIONAL_OPTION_CASES
-#endif
case '?':
fprintf_unfiltered (gdb_stderr,
- "Use `%s --help' for a complete list of options.\n",
- argv[0]);
+ _("Use `%s --help' for a complete list of options.\n"),
+ argv[0]);
exit (1);
}
}
/* If --help or --version, disable window interface. */
if (print_help || print_version)
- use_windows = 0;
+ {
+ use_windows = 0;
+ }
- /* OK, that's all the options. The other arguments are filenames. */
- count = 0;
- for (; optind < argc; optind++)
- switch (++count)
- {
- case 1:
- symarg = argv[optind];
- execarg = argv[optind];
- break;
- case 2:
- corearg = argv[optind];
- break;
- case 3:
- fprintf_unfiltered (gdb_stderr,
- "Excess command line arguments ignored. (%s%s)\n",
- argv[optind], (optind == argc - 1) ? "" : " ...");
- break;
- }
+ if (set_args)
+ {
+ /* The remaining options are the command-line options for the
+ inferior. The first one is the sym/exec file, and the rest
+ are arguments. */
+ if (optind >= argc)
+ {
+ fprintf_unfiltered (gdb_stderr,
+ _("%s: `--args' specified but no program specified\n"),
+ argv[0]);
+ exit (1);
+ }
+ symarg = argv[optind];
+ execarg = argv[optind];
+ ++optind;
+ set_inferior_args_vector (argc - optind, &argv[optind]);
+ }
+ else
+ {
+ /* OK, that's all the options. The other arguments are filenames. */
+ count = 0;
+ for (; optind < argc; optind++)
+ switch (++count)
+ {
+ case 1:
+ symarg = argv[optind];
+ execarg = argv[optind];
+ break;
+ case 2:
+ /* The documentation says this can be a "ProcID" as well.
+ We will try it as both a corefile and a pid. */
+ corearg = argv[optind];
+ break;
+ case 3:
+ fprintf_unfiltered (gdb_stderr,
+ _("Excess command line arguments ignored. (%s%s)\n"),
+ argv[optind], (optind == argc - 1) ? "" : " ...");
+ break;
+ }
+ }
if (batch)
quiet = 1;
}
- gdb_init ();
+ /* Initialize all files. Give the interpreter a chance to take
+ control of the console via the deprecated_init_ui_hook(). */
+ gdb_init (argv[0]);
/* Do these (and anything which might call wrap_here or *_filtered)
- after initialize_all_files. */
+ after initialize_all_files() but before the interpreter has been
+ installed. Otherwize the help/version messages will be eaten by
+ the interpreter's output handler. */
+
if (print_version)
{
print_gdb_version (gdb_stdout);
if (print_help)
{
- /* --version is intentionally not documented here, because we
- are printing the version here, and the help is long enough
- already. */
+ print_gdb_help (gdb_stdout);
+ fputs_unfiltered ("\n", gdb_stdout);
+ exit (0);
+ }
+ /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets
+ GDB retain the old MI1 interpreter startup behavior. Output the
+ copyright message before the interpreter is installed. That way
+ it isn't encapsulated in MI output. */
+ if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0)
+ {
+ /* Print all the junk at the top, with trailing "..." if we are about
+ to read a symbol file (possibly slowly). */
print_gdb_version (gdb_stdout);
- /* Make sure the output gets printed. */
+ if (symarg)
+ printf_filtered ("..");
wrap_here ("");
- printf_filtered ("\n");
-
- /* But don't use *_filtered here. We don't want to prompt for continue
- no matter how small the screen or how much we're going to print. */
- fputs_unfiltered ("\
-This is the GNU debugger. Usage:\n\
- gdb [options] [executable-file [core-file or process-id]]\n\
-Options:\n\
- --help Print this message.\n\
- --quiet Do not print version number on startup.\n\
- --fullname Output information used by emacs-GDB interface.\n\
- --epoch Output information used by epoch emacs-GDB interface.\n\
-", gdb_stdout);
- fputs_unfiltered ("\
- --batch Exit after processing options.\n\
- --nx Do not read .gdbinit file.\n\
- --tty=TTY Use TTY for input/output by the program being debugged.\n\
- --cd=DIR Change current directory to DIR.\n\
- --directory=DIR Search for source files in DIR.\n\
-", gdb_stdout);
- fputs_unfiltered ("\
- --command=FILE Execute GDB commands from FILE.\n\
- --symbols=SYMFILE Read symbols from SYMFILE.\n\
- --exec=EXECFILE Use EXECFILE as the executable.\n\
- --se=FILE Use FILE as symbol file and executable file.\n\
-", gdb_stdout);
- fputs_unfiltered ("\
- --core=COREFILE Analyze the core dump COREFILE.\n\
- -b BAUDRATE Set serial port baud rate used for remote debugging.\n\
- --mapped Use mapped symbol files if supported on this system.\n\
- --readnow Fully read symbol files on first access.\n\
- --nw Do not use a window interface.\n\
-", gdb_stdout);
-#ifdef ADDITIONAL_OPTION_HELP
- fputs_unfiltered (ADDITIONAL_OPTION_HELP, gdb_stdout);
-#endif
- fputs_unfiltered ("\n\
-For more information, type \"help\" from within GDB, or consult the\n\
-GDB manual (available as on-line info or a printed manual).\n", gdb_stdout);
- exit (0);
+ gdb_flush (gdb_stdout); /* Force to screen during slow operations */
}
- if (!quiet)
+
+ /* Install the default UI. All the interpreters should have had a
+ look at things by now. Initialize the default interpreter. */
+
+ {
+ /* Find it. */
+ struct interp *interp = interp_lookup (interpreter_p);
+ if (interp == NULL)
+ error ("Interpreter `%s' unrecognized", interpreter_p);
+ /* Install it. */
+ if (!interp_set (interp))
+ {
+ fprintf_unfiltered (gdb_stderr,
+ "Interpreter `%s' failed to initialize.\n",
+ interpreter_p);
+ exit (1);
+ }
+ }
+
+ /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets
+ GDB retain the old MI1 interpreter startup behavior. Output the
+ copyright message after the interpreter is installed when it is
+ any sane interpreter. */
+ if (!quiet && !current_interp_named_p (INTERP_MI1))
{
/* Print all the junk at the top, with trailing "..." if we are about
- to read a symbol file (possibly slowly). */
- print_gnu_advertisement ();
+ to read a symbol file (possibly slowly). */
print_gdb_version (gdb_stdout);
if (symarg)
printf_filtered ("..");
- wrap_here("");
- gdb_flush (gdb_stdout); /* Force to screen during slow operations */
+ wrap_here ("");
+ gdb_flush (gdb_stdout); /* Force to screen during slow operations */
}
error_pre_print = "\n\n";
quit_pre_print = error_pre_print;
/* We may get more than one warning, don't double space all of them... */
- warning_pre_print = "\nwarning: ";
+ warning_pre_print = _("\nwarning: ");
/* Read and execute $HOME/.gdbinit file, if it exists. This is done
*before* all the command line arguments are processed; it sets
homedir = getenv ("HOME");
if (homedir)
{
- homeinit = (char *) alloca (strlen (getenv ("HOME")) +
+ homeinit = (char *) alloca (strlen (homedir) +
strlen (gdbinit) + 10);
- strcpy (homeinit, getenv ("HOME"));
+ strcpy (homeinit, homedir);
strcat (homeinit, "/");
strcat (homeinit, gdbinit);
if (!inhibit_gdbinit)
{
- if (!SET_TOP_LEVEL ())
- source_command (homeinit, 0);
+ catch_command_errors (source_command, homeinit, 0, RETURN_MASK_ALL);
}
- do_cleanups (ALL_CLEANUPS);
/* Do stats; no need to do them elsewhere since we'll only
- need them if homedir is set. Make sure that they are
- zero in case one of them fails (this guarantees that they
- won't match if either exists). */
-
+ need them if homedir is set. Make sure that they are
+ zero in case one of them fails (this guarantees that they
+ won't match if either exists). */
+
memset (&homebuf, 0, sizeof (struct stat));
memset (&cwdbuf, 0, sizeof (struct stat));
-
+
stat (homeinit, &homebuf);
- stat (gdbinit, &cwdbuf); /* We'll only need this if
- homedir was set. */
+ stat (gdbinit, &cwdbuf); /* We'll only need this if
+ homedir was set. */
}
/* Now perform all the actions indicated by the arguments. */
if (cdarg != NULL)
{
- if (!SET_TOP_LEVEL ())
- {
- cd_command (cdarg, 0);
- }
+ catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL);
}
- do_cleanups (ALL_CLEANUPS);
for (i = 0; i < ndir; i++)
- if (!SET_TOP_LEVEL ())
- directory_command (dirarg[i], 0);
- free ((PTR)dirarg);
- do_cleanups (ALL_CLEANUPS);
+ catch_command_errors (directory_command, dirarg[i], 0, RETURN_MASK_ALL);
+ xfree (dirarg);
if (execarg != NULL
&& symarg != NULL
- && STREQ (execarg, symarg))
+ && strcmp (execarg, symarg) == 0)
{
- /* The exec file and the symbol-file are the same. If we can't open
- it, better only print one error message. */
- if (!SET_TOP_LEVEL ())
- {
- exec_file_command (execarg, !batch);
- symbol_file_command (symarg, 0);
- }
+ /* The exec file and the symbol-file are the same. If we can't
+ open it, better only print one error message.
+ catch_command_errors returns non-zero on success! */
+ if (catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL))
+ catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL);
}
else
{
if (execarg != NULL)
- if (!SET_TOP_LEVEL ())
- exec_file_command (execarg, !batch);
+ catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL);
if (symarg != NULL)
- if (!SET_TOP_LEVEL ())
- symbol_file_command (symarg, 0);
+ catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL);
}
- do_cleanups (ALL_CLEANUPS);
/* After the symbol file has been read, print a newline to get us
beyond the copyright line... But errors should still set off
printf_filtered ("\n");
error_pre_print = "\n";
quit_pre_print = error_pre_print;
- warning_pre_print = "\nwarning: ";
+ warning_pre_print = _("\nwarning: ");
if (corearg != NULL)
- if (!SET_TOP_LEVEL ())
- core_file_command (corearg, !batch);
- else if (isdigit (corearg[0]) && !SET_TOP_LEVEL ())
- attach_command (corearg, !batch);
- do_cleanups (ALL_CLEANUPS);
+ {
+ /* corearg may be either a corefile or a pid.
+ If its first character is a digit, try attach first
+ and then corefile. Otherwise try corefile first. */
- if (ttyarg != NULL)
- if (!SET_TOP_LEVEL ())
- tty_command (ttyarg, !batch);
- do_cleanups (ALL_CLEANUPS);
+ if (isdigit (corearg[0]))
+ {
+ if (catch_command_errors (attach_command, corearg,
+ !batch, RETURN_MASK_ALL) == 0)
+ catch_command_errors (core_file_command, corearg,
+ !batch, RETURN_MASK_ALL);
+ }
+ else /* Can't be a pid, better be a corefile. */
+ catch_command_errors (core_file_command, corearg,
+ !batch, RETURN_MASK_ALL);
+ }
-#ifdef ADDITIONAL_OPTION_HANDLER
- ADDITIONAL_OPTION_HANDLER;
-#endif
+ if (ttyarg != NULL)
+ catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL);
/* Error messages should no longer be distinguished with extra output. */
error_pre_print = NULL;
quit_pre_print = NULL;
- warning_pre_print = "warning: ";
+ warning_pre_print = _("warning: ");
/* Read the .gdbinit file in the current directory, *if* it isn't
the same as the $HOME/.gdbinit file (it should exist, also). */
-
+
if (!homedir
|| memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat)))
if (!inhibit_gdbinit)
{
- if (!SET_TOP_LEVEL ())
- source_command (gdbinit, 0);
+ catch_command_errors (source_command, gdbinit, 0, RETURN_MASK_ALL);
}
- do_cleanups (ALL_CLEANUPS);
for (i = 0; i < ncmd; i++)
{
- if (!SET_TOP_LEVEL ())
+#if 0
+ /* NOTE: cagney/1999-11-03: SET_TOP_LEVEL() was a macro that
+ expanded into a call to setjmp(). */
+ if (!SET_TOP_LEVEL ()) /* NB: This is #if 0'd out */
{
+ /* NOTE: I am commenting this out, because it is not clear
+ where this feature is used. It is very old and
+ undocumented. ezannoni: 1999-05-04 */
+#if 0
if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0')
read_command_file (stdin);
else
+#endif
source_command (cmdarg[i], !batch);
do_cleanups (ALL_CLEANUPS);
}
+#endif
+ catch_command_errors (source_command, cmdarg[i], !batch, RETURN_MASK_ALL);
}
- free ((PTR)cmdarg);
+ xfree (cmdarg);
/* Read in the old history after all the command files have been read. */
- init_history();
+ init_history ();
if (batch)
{
+ if (attach_flag)
+ /* Either there was a problem executing the command in the
+ batch file aborted early, or the batch file forgot to do an
+ explicit detach. Explicitly detach the inferior ensuring
+ that there are no zombies. */
+ target_detach (NULL, 0);
+
/* We have hit the end of the batch file. */
exit (0);
}
BEFORE_MAIN_LOOP_HOOK;
#endif
- END_PROGRESS (argv[0]);
-
/* Show time and/or space usage. */
if (display_time)
{
long init_time = get_run_time () - time_at_startup;
- printf_unfiltered ("Startup time: %ld.%06ld\n",
+ printf_unfiltered (_("Startup time: %ld.%06ld\n"),
init_time / 1000000, init_time % 1000000);
}
extern char **environ;
char *lim = (char *) sbrk (0);
- printf_unfiltered ("Startup size: data size %ld\n",
+ printf_unfiltered (_("Startup size: data size %ld\n"),
(long) (lim - (char *) &environ));
#endif
}
- /* The default command loop.
- The WIN32 Gui calls this main to set up gdb's state, and
- has its own command loop. */
-#ifndef _WIN32
+#if 0
+ /* FIXME: cagney/1999-11-06: The original main loop was like: */
while (1)
{
if (!SET_TOP_LEVEL ())
{
- do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */
+ do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */
/* GUIs generally have their own command loop, mainloop, or whatever.
This is a good place to gain control because many error
conditions will end up here via longjmp(). */
- if (command_loop_hook)
- command_loop_hook ();
+ if (deprecated_command_loop_hook)
+ deprecated_command_loop_hook ();
else
- command_loop ();
- quit_command ((char *)0, instream == stdin);
+ deprecated_command_loop ();
+ quit_command ((char *) 0, instream == stdin);
}
}
-
- /* No exit -- exit is through quit_command. */
+ /* NOTE: If the command_loop() returned normally, the loop would
+ attempt to exit by calling the function quit_command(). That
+ function would either call exit() or throw an error returning
+ control to SET_TOP_LEVEL. */
+ /* NOTE: The function do_cleanups() was called once each time round
+ the loop. The usefulness of the call isn't clear. If an error
+ was thrown, everything would have already been cleaned up. If
+ command_loop() returned normally and quit_command() was called,
+ either exit() or error() (again cleaning up) would be called. */
#endif
-
-}
-\f
-void
-init_proc ()
-{
+ /* NOTE: cagney/1999-11-07: There is probably no reason for not
+ moving this loop and the code found in captured_command_loop()
+ into the command_loop() proper. The main thing holding back that
+ change - SET_TOP_LEVEL() - has been eliminated. */
+ while (1)
+ {
+ catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL);
+ }
+ /* No exit -- exit is through quit_command. */
}
-void
-proc_remove_foreign (pid)
- int pid;
+int
+gdb_main (struct captured_main_args *args)
{
+ use_windows = args->use_windows;
+ catch_errors (captured_main, args, "", RETURN_MASK_ALL);
+ /* The only way to end up here is by an error (normal exit is
+ handled by quit_force()), hence always return an error status. */
+ return 1;
}
-void
-fputs_unfiltered (linebuffer, stream)
- const char *linebuffer;
- FILE *stream;
-{
- if (fputs_unfiltered_hook)
- {
- /* FIXME: I think we should only be doing this for stdout or stderr.
- Either that or we should be passing stream to the hook so it can
- deal with it. If that is cleaned up, this function can go back
- into utils.c and the fputs_unfiltered_hook can replace the current
- ability to avoid this function by not linking with main.c. */
- fputs_unfiltered_hook (linebuffer, stream);
- return;
- }
- fputs (linebuffer, stream);
+/* Don't use *_filtered for printing help. We don't want to prompt
+ for continue no matter how small the screen or how much we're going
+ to print. */
+
+static void
+print_gdb_help (struct ui_file *stream)
+{
+ fputs_unfiltered (_("\
+This is the GNU debugger. Usage:\n\n\
+ gdb [options] [executable-file [core-file or process-id]]\n\
+ gdb [options] --args executable-file [inferior-arguments ...]\n\n\
+Options:\n\n\
+"), stream);
+ fputs_unfiltered (_("\
+ --args Arguments after executable-file are passed to inferior\n\
+"), stream);
+ fputs_unfiltered (_("\
+ --[no]async Enable (disable) asynchronous version of CLI\n\
+"), stream);
+ fputs_unfiltered (_("\
+ -b BAUDRATE Set serial port baud rate used for remote debugging.\n\
+ --batch Exit after processing options.\n\
+ --cd=DIR Change current directory to DIR.\n\
+ --command=FILE Execute GDB commands from FILE.\n\
+ --core=COREFILE Analyze the core dump COREFILE.\n\
+ --pid=PID Attach to running process PID.\n\
+"), stream);
+ fputs_unfiltered (_("\
+ --dbx DBX compatibility mode.\n\
+ --directory=DIR Search for source files in DIR.\n\
+ --epoch Output information used by epoch emacs-GDB interface.\n\
+ --exec=EXECFILE Use EXECFILE as the executable.\n\
+ --fullname Output information used by emacs-GDB interface.\n\
+ --help Print this message.\n\
+"), stream);
+ fputs_unfiltered (_("\
+ --interpreter=INTERP\n\
+ Select a specific interpreter / user interface\n\
+"), stream);
+ fputs_unfiltered (_("\
+ -l TIMEOUT Set timeout in seconds for remote debugging.\n\
+ --mapped Use mapped symbol files if supported on this system.\n\
+ --nw Do not use a window interface.\n\
+ --nx Do not read "), stream);
+ fputs_unfiltered (gdbinit, stream);
+ fputs_unfiltered (_(" file.\n\
+ --quiet Do not print version number on startup.\n\
+ --readnow Fully read symbol files on first access.\n\
+"), stream);
+ fputs_unfiltered (_("\
+ --se=FILE Use FILE as symbol file and executable file.\n\
+ --symbols=SYMFILE Read symbols from SYMFILE.\n\
+ --tty=TTY Use TTY for input/output by the program being debugged.\n\
+"), stream);
+#if defined(TUI)
+ fputs_unfiltered (_("\
+ --tui Use a terminal user interface.\n\
+"), stream);
+#endif
+ fputs_unfiltered (_("\
+ --version Print version information and then exit.\n\
+ -w Use a window interface.\n\
+ --write Set writing into executable and core files.\n\
+ --xdb XDB compatibility mode.\n\
+"), stream);
+ fputs_unfiltered (_("\n\
+For more information, type \"help\" from within GDB, or consult the\n\
+GDB manual (available as on-line info or a printed manual).\n\
+Report bugs to \"bug-gdb@gnu.org\".\
+"), stream);
}
projects / deliverable / binutils-gdb.git / blobdiff